Mercurial > hg > nginx
annotate src/http/modules/ngx_http_realip_module.c @ 7306:8eab05b83dde
Upstream: fixed unexpected tcp_nopush usage on peer connections.
Now tcp_nopush on peer connections is disabled if it is disabled on
the client connection, similar to how we handle c->sendfile. Previously,
tcp_nopush was always used on upstream connections, regardless of
the "tcp_nopush" directive.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 02 Jul 2018 19:02:31 +0300 |
parents | 2a288909abc6 |
children | 06b01840bd42 |
rev | line source |
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573 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4412 | 4 * Copyright (C) Nginx, Inc. |
573 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_http.h> | |
11 | |
12 | |
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13 #define NGX_HTTP_REALIP_XREALIP 0 |
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14 #define NGX_HTTP_REALIP_XFWD 1 |
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15 #define NGX_HTTP_REALIP_HEADER 2 |
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16 #define NGX_HTTP_REALIP_PROXY 3 |
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17 |
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18 |
573 | 19 typedef struct { |
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20 ngx_array_t *from; /* array of ngx_cidr_t */ |
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21 ngx_uint_t type; |
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22 ngx_uint_t hash; |
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23 ngx_str_t header; |
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24 ngx_flag_t recursive; |
573 | 25 } ngx_http_realip_loc_conf_t; |
26 | |
27 | |
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28 typedef struct { |
3274 | 29 ngx_connection_t *connection; |
30 struct sockaddr *sockaddr; | |
31 socklen_t socklen; | |
32 ngx_str_t addr_text; | |
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33 } ngx_http_realip_ctx_t; |
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34 |
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35 |
573 | 36 static ngx_int_t ngx_http_realip_handler(ngx_http_request_t *r); |
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37 static ngx_int_t ngx_http_realip_set_addr(ngx_http_request_t *r, |
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38 ngx_addr_t *addr); |
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39 static void ngx_http_realip_cleanup(void *data); |
573 | 40 static char *ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, |
41 void *conf); | |
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42 static char *ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
573 | 43 static void *ngx_http_realip_create_loc_conf(ngx_conf_t *cf); |
44 static char *ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, | |
45 void *parent, void *child); | |
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46 static ngx_int_t ngx_http_realip_add_variables(ngx_conf_t *cf); |
681 | 47 static ngx_int_t ngx_http_realip_init(ngx_conf_t *cf); |
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48 static ngx_http_realip_ctx_t *ngx_http_realip_get_module_ctx( |
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49 ngx_http_request_t *r); |
573 | 50 |
51 | |
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52 static ngx_int_t ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, |
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53 ngx_http_variable_value_t *v, uintptr_t data); |
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54 static ngx_int_t ngx_http_realip_remote_port_variable(ngx_http_request_t *r, |
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55 ngx_http_variable_value_t *v, uintptr_t data); |
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56 |
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57 |
573 | 58 static ngx_command_t ngx_http_realip_commands[] = { |
59 | |
60 { ngx_string("set_real_ip_from"), | |
61 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
62 ngx_http_realip_from, | |
63 NGX_HTTP_LOC_CONF_OFFSET, | |
64 0, | |
65 NULL }, | |
66 | |
67 { ngx_string("real_ip_header"), | |
68 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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69 ngx_http_realip, |
573 | 70 NGX_HTTP_LOC_CONF_OFFSET, |
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71 0, |
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72 NULL }, |
573 | 73 |
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74 { ngx_string("real_ip_recursive"), |
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75 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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76 ngx_conf_set_flag_slot, |
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77 NGX_HTTP_LOC_CONF_OFFSET, |
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78 offsetof(ngx_http_realip_loc_conf_t, recursive), |
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79 NULL }, |
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80 |
573 | 81 ngx_null_command |
82 }; | |
83 | |
84 | |
85 | |
667 | 86 static ngx_http_module_t ngx_http_realip_module_ctx = { |
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87 ngx_http_realip_add_variables, /* preconfiguration */ |
681 | 88 ngx_http_realip_init, /* postconfiguration */ |
573 | 89 |
90 NULL, /* create main configuration */ | |
91 NULL, /* init main configuration */ | |
92 | |
93 NULL, /* create server configuration */ | |
94 NULL, /* merge server configuration */ | |
95 | |
96 ngx_http_realip_create_loc_conf, /* create location configuration */ | |
97 ngx_http_realip_merge_loc_conf /* merge location configuration */ | |
98 }; | |
99 | |
100 | |
101 ngx_module_t ngx_http_realip_module = { | |
102 NGX_MODULE_V1, | |
103 &ngx_http_realip_module_ctx, /* module context */ | |
104 ngx_http_realip_commands, /* module directives */ | |
105 NGX_HTTP_MODULE, /* module type */ | |
106 NULL, /* init master */ | |
681 | 107 NULL, /* init module */ |
573 | 108 NULL, /* init process */ |
109 NULL, /* init thread */ | |
110 NULL, /* exit thread */ | |
111 NULL, /* exit process */ | |
112 NULL, /* exit master */ | |
113 NGX_MODULE_V1_PADDING | |
114 }; | |
115 | |
116 | |
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117 static ngx_http_variable_t ngx_http_realip_vars[] = { |
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118 |
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119 { ngx_string("realip_remote_addr"), NULL, |
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120 ngx_http_realip_remote_addr_variable, 0, 0, 0 }, |
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121 |
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122 { ngx_string("realip_remote_port"), NULL, |
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123 ngx_http_realip_remote_port_variable, 0, 0, 0 }, |
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124 |
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125 ngx_http_null_variable |
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126 }; |
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127 |
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128 |
573 | 129 static ngx_int_t |
130 ngx_http_realip_handler(ngx_http_request_t *r) | |
131 { | |
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132 u_char *p; |
573 | 133 size_t len; |
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134 ngx_str_t *value; |
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135 ngx_uint_t i, hash; |
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136 ngx_addr_t addr; |
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137 ngx_array_t *xfwd; |
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138 ngx_list_part_t *part; |
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139 ngx_table_elt_t *header; |
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140 ngx_connection_t *c; |
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141 ngx_http_realip_ctx_t *ctx; |
573 | 142 ngx_http_realip_loc_conf_t *rlcf; |
143 | |
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144 rlcf = ngx_http_get_module_loc_conf(r, ngx_http_realip_module); |
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145 |
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146 if (rlcf->from == NULL) { |
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147 return NGX_DECLINED; |
573 | 148 } |
149 | |
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150 ctx = ngx_http_realip_get_module_ctx(r); |
573 | 151 |
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152 if (ctx) { |
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153 return NGX_DECLINED; |
573 | 154 } |
155 | |
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156 switch (rlcf->type) { |
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157 |
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158 case NGX_HTTP_REALIP_XREALIP: |
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159 |
573 | 160 if (r->headers_in.x_real_ip == NULL) { |
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161 return NGX_DECLINED; |
573 | 162 } |
163 | |
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164 value = &r->headers_in.x_real_ip->value; |
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165 xfwd = NULL; |
573 | 166 |
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167 break; |
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168 |
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169 case NGX_HTTP_REALIP_XFWD: |
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170 |
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171 xfwd = &r->headers_in.x_forwarded_for; |
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172 |
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173 if (xfwd->elts == NULL) { |
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174 return NGX_DECLINED; |
573 | 175 } |
176 | |
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177 value = NULL; |
573 | 178 |
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179 break; |
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180 |
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181 case NGX_HTTP_REALIP_PROXY: |
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182 |
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183 value = &r->connection->proxy_protocol_addr; |
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184 |
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185 if (value->len == 0) { |
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186 return NGX_DECLINED; |
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5263
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|
187 } |
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Added server-side support for PROXY protocol v1 (ticket #355).
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parents:
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|
188 |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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|
189 xfwd = NULL; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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|
190 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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parents:
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diff
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|
191 break; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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diff
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|
192 |
2257
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193 default: /* NGX_HTTP_REALIP_HEADER */ |
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194 |
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195 part = &r->headers_in.headers.part; |
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196 header = part->elts; |
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197 |
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198 hash = rlcf->hash; |
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199 len = rlcf->header.len; |
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200 p = rlcf->header.data; |
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201 |
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202 for (i = 0; /* void */ ; i++) { |
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203 |
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204 if (i >= part->nelts) { |
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205 if (part->next == NULL) { |
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206 break; |
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|
207 } |
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208 |
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209 part = part->next; |
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210 header = part->elts; |
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211 i = 0; |
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parents:
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|
212 } |
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213 |
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|
214 if (hash == header[i].hash |
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215 && len == header[i].key.len |
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216 && ngx_strncmp(p, header[i].lowcase_key, len) == 0) |
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parents:
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diff
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|
217 { |
5084
f7fe817c92a2
Correctly handle multiple X-Forwarded-For headers (ticket #106).
Ruslan Ermilov <ru@nginx.com>
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diff
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|
218 value = &header[i].value; |
f7fe817c92a2
Correctly handle multiple X-Forwarded-For headers (ticket #106).
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4624
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219 xfwd = NULL; |
2257
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220 |
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|
221 goto found; |
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diff
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|
222 } |
74d270c8821e
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|
223 } |
74d270c8821e
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|
224 |
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|
225 return NGX_DECLINED; |
573 | 226 } |
227 | |
2257
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|
228 found: |
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|
229 |
2176
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230 c = r->connection; |
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231 |
4624
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|
232 addr.sockaddr = c->sockaddr; |
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|
233 addr.socklen = c->socklen; |
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realip: chains of trusted proxies and IPv6 support.
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diff
changeset
|
234 /* addr.name = c->addr_text; */ |
3274 | 235 |
5084
f7fe817c92a2
Correctly handle multiple X-Forwarded-For headers (ticket #106).
Ruslan Ermilov <ru@nginx.com>
parents:
4624
diff
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|
236 if (ngx_http_get_forwarded_addr(r, &addr, xfwd, value, rlcf->from, |
4624
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diff
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|
237 rlcf->recursive) |
5084
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Correctly handle multiple X-Forwarded-For headers (ticket #106).
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parents:
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diff
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|
238 != NGX_DECLINED) |
4624
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diff
changeset
|
239 { |
6563
26feae43987f
Realip: take client port from PROXY protocol header.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6562
diff
changeset
|
240 if (rlcf->type == NGX_HTTP_REALIP_PROXY) { |
6593
b3b7e33083ac
Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
6565
diff
changeset
|
241 ngx_inet_set_port(addr.sockaddr, c->proxy_protocol_port); |
6563
26feae43987f
Realip: take client port from PROXY protocol header.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
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diff
changeset
|
242 } |
26feae43987f
Realip: take client port from PROXY protocol header.
Dmitry Volyntsev <xeioex@nginx.com>
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diff
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|
243 |
4624
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|
244 return ngx_http_realip_set_addr(r, &addr); |
3274 | 245 } |
246 | |
247 return NGX_DECLINED; | |
248 } | |
249 | |
573 | 250 |
3274 | 251 static ngx_int_t |
4624
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diff
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|
252 ngx_http_realip_set_addr(ngx_http_request_t *r, ngx_addr_t *addr) |
3274 | 253 { |
4624
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diff
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|
254 size_t len; |
3274 | 255 u_char *p; |
4624
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realip: chains of trusted proxies and IPv6 support.
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parents:
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diff
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|
256 u_char text[NGX_SOCKADDR_STRLEN]; |
3274 | 257 ngx_connection_t *c; |
258 ngx_pool_cleanup_t *cln; | |
259 ngx_http_realip_ctx_t *ctx; | |
573 | 260 |
3274 | 261 cln = ngx_pool_cleanup_add(r->pool, sizeof(ngx_http_realip_ctx_t)); |
262 if (cln == NULL) { | |
263 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
264 } | |
2176
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restore connection address on request closure,
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diff
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|
265 |
3274 | 266 ctx = cln->data; |
1114
3f354952e91d
fix broken values, debug logging, and style fix
Igor Sysoev <igor@sysoev.ru>
parents:
986
diff
changeset
|
267 |
3274 | 268 c = r->connection; |
269 | |
5263
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
5084
diff
changeset
|
270 len = ngx_sock_ntop(addr->sockaddr, addr->socklen, text, |
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
5084
diff
changeset
|
271 NGX_SOCKADDR_STRLEN, 0); |
4624
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realip: chains of trusted proxies and IPv6 support.
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|
272 if (len == 0) { |
3274 | 273 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
274 } | |
1114
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fix broken values, debug logging, and style fix
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
275 |
3274 | 276 p = ngx_pnalloc(c->pool, len); |
277 if (p == NULL) { | |
278 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
279 } | |
1118
cec2866f29bd
a client address must be allocated from a connection pool
Igor Sysoev <igor@sysoev.ru>
parents:
1114
diff
changeset
|
280 |
4624
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|
281 ngx_memcpy(p, text, len); |
2176
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restore connection address on request closure,
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diff
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|
282 |
3274 | 283 cln->handler = ngx_http_realip_cleanup; |
6671
6b1b8c4b7a95
Realip: fixed uninitialized memory access.
Roman Arutyunyan <arut@nginx.com>
parents:
6593
diff
changeset
|
284 ngx_http_set_ctx(r, ctx, ngx_http_realip_module); |
2176
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restore connection address on request closure,
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diff
changeset
|
285 |
3274 | 286 ctx->connection = c; |
287 ctx->sockaddr = c->sockaddr; | |
288 ctx->socklen = c->socklen; | |
289 ctx->addr_text = c->addr_text; | |
573 | 290 |
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realip: chains of trusted proxies and IPv6 support.
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parents:
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diff
changeset
|
291 c->sockaddr = addr->sockaddr; |
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realip: chains of trusted proxies and IPv6 support.
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diff
changeset
|
292 c->socklen = addr->socklen; |
3274 | 293 c->addr_text.len = len; |
294 c->addr_text.data = p; | |
573 | 295 |
986
68c85f283043
ngx_http_realip_module must return NGX_DECLINED
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
296 return NGX_DECLINED; |
573 | 297 } |
298 | |
299 | |
2176
29d26406e1bd
restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
300 static void |
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diff
changeset
|
301 ngx_http_realip_cleanup(void *data) |
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diff
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|
302 { |
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diff
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|
303 ngx_http_realip_ctx_t *ctx = data; |
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diff
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|
304 |
3273
fe71be4a02f1
support IPv6 addresses in Real IP headers
Igor Sysoev <igor@sysoev.ru>
parents:
3267
diff
changeset
|
305 ngx_connection_t *c; |
2176
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restore connection address on request closure,
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|
306 |
29d26406e1bd
restore connection address on request closure,
Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
307 c = ctx->connection; |
29d26406e1bd
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
308 |
3273
fe71be4a02f1
support IPv6 addresses in Real IP headers
Igor Sysoev <igor@sysoev.ru>
parents:
3267
diff
changeset
|
309 c->sockaddr = ctx->sockaddr; |
fe71be4a02f1
support IPv6 addresses in Real IP headers
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parents:
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changeset
|
310 c->socklen = ctx->socklen; |
2176
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diff
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|
311 c->addr_text = ctx->addr_text; |
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|
312 } |
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|
313 |
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|
314 |
573 | 315 static char * |
316 ngx_http_realip_from(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
317 { | |
318 ngx_http_realip_loc_conf_t *rlcf = conf; | |
319 | |
6997
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
Ruslan Ermilov <ru@nginx.com>
parents:
6729
diff
changeset
|
320 ngx_int_t rc; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
Ruslan Ermilov <ru@nginx.com>
parents:
6729
diff
changeset
|
321 ngx_str_t *value; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
322 ngx_url_t u; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
changeset
|
323 ngx_cidr_t c, *cidr; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
changeset
|
324 ngx_uint_t i; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
changeset
|
325 struct sockaddr_in *sin; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
changeset
|
326 #if (NGX_HAVE_INET6) |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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diff
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|
327 struct sockaddr_in6 *sin6; |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
328 #endif |
573 | 329 |
3274 | 330 value = cf->args->elts; |
331 | |
4624
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|
332 if (rlcf->from == NULL) { |
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|
333 rlcf->from = ngx_array_create(cf->pool, 2, |
df93068953c0
realip: chains of trusted proxies and IPv6 support.
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diff
changeset
|
334 sizeof(ngx_cidr_t)); |
df93068953c0
realip: chains of trusted proxies and IPv6 support.
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changeset
|
335 if (rlcf->from == NULL) { |
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changeset
|
336 return NGX_CONF_ERROR; |
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|
337 } |
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|
338 } |
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changeset
|
339 |
3274 | 340 #if (NGX_HAVE_UNIX_DOMAIN) |
341 | |
342 if (ngx_strcmp(value[1].data, "unix:") == 0) { | |
6997
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
Ruslan Ermilov <ru@nginx.com>
parents:
6729
diff
changeset
|
343 cidr = ngx_array_push(rlcf->from); |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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parents:
6729
diff
changeset
|
344 if (cidr == NULL) { |
df1a62c83b1b
Realip: allow hostnames in set_real_ip_from (ticket #1180).
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parents:
6729
diff
changeset
|
345 return NGX_CONF_ERROR; |
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346 } |
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347 |
6474 | 348 cidr->family = AF_UNIX; |
349 return NGX_CONF_OK; | |
3274 | 350 } |
351 | |
352 #endif | |
353 | |
6997
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354 rc = ngx_ptocidr(&value[1], &c); |
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355 |
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356 if (rc != NGX_ERROR) { |
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357 if (rc == NGX_DONE) { |
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358 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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359 "low address bits of %V are meaningless", |
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360 &value[1]); |
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361 } |
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362 |
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363 cidr = ngx_array_push(rlcf->from); |
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364 if (cidr == NULL) { |
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365 return NGX_CONF_ERROR; |
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366 } |
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367 |
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368 *cidr = c; |
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369 |
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370 return NGX_CONF_OK; |
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371 } |
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372 |
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373 ngx_memzero(&u, sizeof(ngx_url_t)); |
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374 u.host = value[1]; |
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375 |
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376 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
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377 if (u.err) { |
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378 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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379 "%s in set_real_ip_from \"%V\"", |
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380 u.err, &u.host); |
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381 } |
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382 |
573 | 383 return NGX_CONF_ERROR; |
384 } | |
385 | |
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386 cidr = ngx_array_push_n(rlcf->from, u.naddrs); |
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387 if (cidr == NULL) { |
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388 return NGX_CONF_ERROR; |
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389 } |
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390 |
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391 ngx_memzero(cidr, u.naddrs * sizeof(ngx_cidr_t)); |
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392 |
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393 for (i = 0; i < u.naddrs; i++) { |
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394 cidr[i].family = u.addrs[i].sockaddr->sa_family; |
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395 |
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396 switch (cidr[i].family) { |
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397 |
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398 #if (NGX_HAVE_INET6) |
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399 case AF_INET6: |
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400 sin6 = (struct sockaddr_in6 *) u.addrs[i].sockaddr; |
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401 cidr[i].u.in6.addr = sin6->sin6_addr; |
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402 ngx_memset(cidr[i].u.in6.mask.s6_addr, 0xff, 16); |
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403 break; |
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404 #endif |
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405 |
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406 default: /* AF_INET */ |
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407 sin = (struct sockaddr_in *) u.addrs[i].sockaddr; |
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408 cidr[i].u.in.addr = sin->sin_addr.s_addr; |
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409 cidr[i].u.in.mask = 0xffffffff; |
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410 break; |
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411 } |
1380
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412 } |
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413 |
573 | 414 return NGX_CONF_OK; |
415 } | |
416 | |
417 | |
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418 static char * |
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419 ngx_http_realip(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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420 { |
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421 ngx_http_realip_loc_conf_t *rlcf = conf; |
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422 |
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423 ngx_str_t *value; |
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424 |
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425 if (rlcf->type != NGX_CONF_UNSET_UINT) { |
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426 return "is duplicate"; |
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427 } |
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428 |
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429 value = cf->args->elts; |
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430 |
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431 if (ngx_strcmp(value[1].data, "X-Real-IP") == 0) { |
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432 rlcf->type = NGX_HTTP_REALIP_XREALIP; |
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433 return NGX_CONF_OK; |
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434 } |
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435 |
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436 if (ngx_strcmp(value[1].data, "X-Forwarded-For") == 0) { |
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437 rlcf->type = NGX_HTTP_REALIP_XFWD; |
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438 return NGX_CONF_OK; |
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439 } |
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440 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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441 if (ngx_strcmp(value[1].data, "proxy_protocol") == 0) { |
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442 rlcf->type = NGX_HTTP_REALIP_PROXY; |
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443 return NGX_CONF_OK; |
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444 } |
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445 |
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446 rlcf->type = NGX_HTTP_REALIP_HEADER; |
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447 rlcf->hash = ngx_hash_strlow(value[1].data, value[1].data, value[1].len); |
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448 rlcf->header = value[1]; |
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449 |
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450 return NGX_CONF_OK; |
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451 } |
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452 |
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453 |
573 | 454 static void * |
455 ngx_http_realip_create_loc_conf(ngx_conf_t *cf) | |
456 { | |
457 ngx_http_realip_loc_conf_t *conf; | |
458 | |
459 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_realip_loc_conf_t)); | |
460 if (conf == NULL) { | |
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461 return NULL; |
573 | 462 } |
463 | |
464 /* | |
465 * set by ngx_pcalloc(): | |
466 * | |
467 * conf->from = NULL; | |
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468 * conf->hash = 0; |
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469 * conf->header = { 0, NULL }; |
573 | 470 */ |
471 | |
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472 conf->type = NGX_CONF_UNSET_UINT; |
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473 conf->recursive = NGX_CONF_UNSET; |
573 | 474 |
475 return conf; | |
476 } | |
477 | |
478 | |
479 static char * | |
480 ngx_http_realip_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
481 { | |
482 ngx_http_realip_loc_conf_t *prev = parent; | |
483 ngx_http_realip_loc_conf_t *conf = child; | |
484 | |
485 if (conf->from == NULL) { | |
486 conf->from = prev->from; | |
3305
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487 } |
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488 |
2257
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489 ngx_conf_merge_uint_value(conf->type, prev->type, NGX_HTTP_REALIP_XREALIP); |
4624
df93068953c0
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|
490 ngx_conf_merge_value(conf->recursive, prev->recursive, 0); |
2257
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diff
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|
491 |
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492 if (conf->header.len == 0) { |
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493 conf->hash = prev->hash; |
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|
494 conf->header = prev->header; |
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|
495 } |
573 | 496 |
497 return NGX_CONF_OK; | |
498 } | |
499 | |
500 | |
501 static ngx_int_t | |
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502 ngx_http_realip_add_variables(ngx_conf_t *cf) |
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|
503 { |
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|
504 ngx_http_variable_t *var, *v; |
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|
505 |
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Realip: the $realip_remote_addr variable.
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|
506 for (v = ngx_http_realip_vars; v->name.len; v++) { |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
507 var = ngx_http_add_variable(cf, &v->name, v->flags); |
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Realip: the $realip_remote_addr variable.
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diff
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|
508 if (var == NULL) { |
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Realip: the $realip_remote_addr variable.
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|
509 return NGX_ERROR; |
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Realip: the $realip_remote_addr variable.
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changeset
|
510 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
511 |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
512 var->get_handler = v->get_handler; |
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Realip: the $realip_remote_addr variable.
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changeset
|
513 var->data = v->data; |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
514 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
515 |
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Realip: the $realip_remote_addr variable.
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|
516 return NGX_OK; |
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Realip: the $realip_remote_addr variable.
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changeset
|
517 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
518 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
519 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
520 static ngx_int_t |
681 | 521 ngx_http_realip_init(ngx_conf_t *cf) |
573 | 522 { |
523 ngx_http_handler_pt *h; | |
524 ngx_http_core_main_conf_t *cmcf; | |
525 | |
681 | 526 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); |
573 | 527 |
528 h = ngx_array_push(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers); | |
529 if (h == NULL) { | |
530 return NGX_ERROR; | |
531 } | |
532 | |
533 *h = ngx_http_realip_handler; | |
534 | |
581 | 535 h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers); |
573 | 536 if (h == NULL) { |
537 return NGX_ERROR; | |
538 } | |
539 | |
540 *h = ngx_http_realip_handler; | |
541 | |
542 return NGX_OK; | |
543 } | |
6294
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
544 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
545 |
6562
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Added the $realip_remote_port variable.
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diff
changeset
|
546 static ngx_http_realip_ctx_t * |
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Added the $realip_remote_port variable.
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|
547 ngx_http_realip_get_module_ctx(ngx_http_request_t *r) |
6294
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|
548 { |
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Realip: the $realip_remote_addr variable.
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diff
changeset
|
549 ngx_pool_cleanup_t *cln; |
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Realip: the $realip_remote_addr variable.
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changeset
|
550 ngx_http_realip_ctx_t *ctx; |
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diff
changeset
|
551 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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diff
changeset
|
552 ctx = ngx_http_get_module_ctx(r, ngx_http_realip_module); |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
553 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
554 if (ctx == NULL && (r->internal || r->filter_finalize)) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
555 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
556 /* |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
557 * if module context was reset, the original address |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
558 * can still be found in the cleanup handler |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
559 */ |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
560 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
561 for (cln = r->pool->cleanup; cln; cln = cln->next) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
562 if (cln->handler == ngx_http_realip_cleanup) { |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
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diff
changeset
|
563 ctx = cln->data; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
564 break; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
565 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
566 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
567 } |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
568 |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
569 return ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
570 } |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
571 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
572 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
573 static ngx_int_t |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
574 ngx_http_realip_remote_addr_variable(ngx_http_request_t *r, |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
575 ngx_http_variable_value_t *v, uintptr_t data) |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
576 { |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
577 ngx_str_t *addr_text; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
578 ngx_http_realip_ctx_t *ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
579 |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
580 ctx = ngx_http_realip_get_module_ctx(r); |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
581 |
6294
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
582 addr_text = ctx ? &ctx->addr_text : &r->connection->addr_text; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
583 |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
584 v->len = addr_text->len; |
cebe43bace93
Realip: the $realip_remote_addr variable.
Ruslan Ermilov <ru@nginx.com>
parents:
5605
diff
changeset
|
585 v->valid = 1; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
586 v->no_cacheable = 0; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
587 v->not_found = 0; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
588 v->data = addr_text->data; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
589 |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
590 return NGX_OK; |
cebe43bace93
Realip: the $realip_remote_addr variable.
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parents:
5605
diff
changeset
|
591 } |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
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diff
changeset
|
592 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
593 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
594 static ngx_int_t |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
595 ngx_http_realip_remote_port_variable(ngx_http_request_t *r, |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
596 ngx_http_variable_value_t *v, uintptr_t data) |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
597 { |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
598 ngx_uint_t port; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
599 struct sockaddr *sa; |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
600 ngx_http_realip_ctx_t *ctx; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
601 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
602 ctx = ngx_http_realip_get_module_ctx(r); |
b13d3a6f0512
Added the $realip_remote_port variable.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6474
diff
changeset
|
603 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
604 sa = ctx ? ctx->sockaddr : r->connection->sockaddr; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
605 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
606 v->len = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
607 v->valid = 1; |
b13d3a6f0512
Added the $realip_remote_port variable.
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6474
diff
changeset
|
608 v->no_cacheable = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
609 v->not_found = 0; |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
610 |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
6474
diff
changeset
|
611 v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1); |
b13d3a6f0512
Added the $realip_remote_port variable.
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parents:
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diff
changeset
|
612 if (v->data == NULL) { |
b13d3a6f0512
Added the $realip_remote_port variable.
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6474
diff
changeset
|
613 return NGX_ERROR; |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
614 } |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
615 |
6593
b3b7e33083ac
Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
parents:
6565
diff
changeset
|
616 port = ngx_inet_get_port(sa); |
6562
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
617 |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
618 if (port > 0 && port < 65536) { |
b13d3a6f0512
Added the $realip_remote_port variable.
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6474
diff
changeset
|
619 v->len = ngx_sprintf(v->data, "%ui", port) - v->data; |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
620 } |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
621 |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
622 return NGX_OK; |
b13d3a6f0512
Added the $realip_remote_port variable.
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diff
changeset
|
623 } |